{"id":1405,"date":"1994-01-01T00:00:00","date_gmt":"1994-01-01T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/1994\/01\/01\/estudio-de-la-fotodesorcion-inducida-en-metales-por-radiacion-de-sincrotron-aplicacion-al-large-hadron-collider\/"},"modified":"1994-01-01T00:00:00","modified_gmt":"1994-01-01T00:00:00","slug":"estudio-de-la-fotodesorcion-inducida-en-metales-por-radiacion-de-sincrotron-aplicacion-al-large-hadron-collider","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/fisica\/estudio-de-la-fotodesorcion-inducida-en-metales-por-radiacion-de-sincrotron-aplicacion-al-large-hadron-collider\/","title":{"rendered":"Estudio de la fotodesorcion inducida en metales por radiacion de sincrotron: aplicacion al \u00ablarge hadron collider\u00bb."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Gomez Go\u00f1i Jes\u00fas M. <\/strong><\/h2>\n<p>En el marco del dise\u00f1o del proximo colisionador de particulas del laboratorio europeo de fisica de particulas (cern), el denominado \u00ablarge hadron collider\u00bb (lhc), este trabajo estudia la desorcion inducida por radiacion de sincrotron, en el rango de energias criticas del colisionador para distintos metales (acero, cu y al).  se encuentra una dependencia practicamente lineal de los coeficientes de fotodesorcion con la energia critica y que el horneado previo del sistema reduce los coeficientes de fotodesorcion, especialmente el correspondiente al agua. Existe una relacion lineal entre el aumento observado de presion y el numero de fotoelectrones producidos por la radiacion incidente, lo que sugiere que la desorcion ocurre en dos etapas: la primera en la que el foton incidente arranca un electron, que posteriormente desorbe una molecula. El estudio en el laboratorio de la desorcion inducida por electrones revela un comportamiento parecido de los coeficientes de electrodesorcion. La dependencia del coeficiente de desorcion de h2 con la dosis se ajusta con un modelo de difusion, con una concentracion de h2 que disminuye con la penetracion en el material. El coeficiente de difusion es independiente de la temperatura, lo que indica bien una difusion inducida por los fotoelectrones emitidos por la radiacion de sincrotron, bien una produccion de h2 en la superficie provinientes de la capa de oxido. Por ultimo, se extrapolan las medidas realizadas al sistema de vacio del lhc, encontrandose que es necesario perforar la pantalla del haz, para evitar que se alcance la presion de vapor del h2, superior en tres ordenes de magnitud a la presion nominal de dise\u00f1o.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la fotodesorcion inducida en metales por radiacion de sincrotron: aplicacion al \u00ablarge hadron collider\u00bb.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la fotodesorcion inducida en metales por radiacion de sincrotron: aplicacion al \u00ablarge hadron collider\u00bb. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Gomez Go\u00f1i Jes\u00fas M. <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1994<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>George Mathewson Alastair<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  Manuel Rojo  Alaminos <\/li>\n<li>Oswald Grobner (vocal)<\/li>\n<li>Rodolfo Miranda Soriano (vocal)<\/li>\n<li>Mar\u00eda Alonso Prieto (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gomez Go\u00f1i Jes\u00fas M. En el marco del dise\u00f1o del proximo colisionador de particulas del laboratorio europeo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[199,1008,6064],"tags":[6066,6065,5456,6069,6067,6068],"class_list":["post-1405","post","type-post","status-publish","format-standard","hentry","category-fisica","category-fisica-del-estado-solido","category-interaccion-de-la-radiacion-con-los-solidos","tag-george-mathewson-alastair","tag-gomez-goni-jesus-m","tag-juan-manuel-rojo-alaminos","tag-maria-alonso-prieto","tag-oswald-grobner","tag-rodolfo-miranda-soriano"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1405","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=1405"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/1405\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=1405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=1405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=1405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}